Home / 470,518.04-705,788.58-138,104.60

Finding the Fourth Proportional to 470,518.04, 705,788.58 and 138,104.60

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Solution

The fourth proportional to 470,518.04, 705,788.58 and 138,104.60 is: 207,160.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,518.04 : 705,788.58 = 138,104.60 : x
  2. Step 2: Convert to fraction form
    470,518.04/705,788.58 = 138,104.60/x
  3. Step 3: Cross multiply
    470,518.04x = 705,788.58 × 138,104.60
  4. Step 4: Simplify right side
    470,518.04x = 97,472,649,525.47
  5. Step 5: Solve for x
    x = 97,472,649,525.47/470,518.04
  6. Step 6: Final answer
    x = 207,160.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.